Home / 3,100.08-4,274.20-2,260.12

Finding the Fourth Proportional to 3,100.08, 4,274.20 and 2,260.12

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Solution

The fourth proportional to 3,100.08, 4,274.20 and 2,260.12 is: 3,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.08 : 4,274.20 = 2,260.12 : x
  2. Step 2: Convert to fraction form
    3,100.08/4,274.20 = 2,260.12/x
  3. Step 3: Cross multiply
    3,100.08x = 4,274.20 × 2,260.12
  4. Step 4: Simplify right side
    3,100.08x = 9,660,204.90
  5. Step 5: Solve for x
    x = 9,660,204.90/3,100.08
  6. Step 6: Final answer
    x = 3,116.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.